cloudstack/plugins/network-elements/cisco-vnmc/scripts/network/cisco/delete-edge-firewall.xml

<configConfMos
  cookie="%cookie%"
  inHierarchical="false">
  <inConfigs>
    <pair key="%edgefwdn%">
      <fwEdgeFirewall
        dn="%edgefwdn%"
        name="%edgefwname%"
        status="deleted"/>
      </pair>
  </inConfigs>
</configConfMos>